improved port-thing

main.go

@@ -10,7 +10,10 @@ import (
 
 func main() {
 	r := mux.NewRouter()
-	port := os.Getenv("PORT")
+
+	// sets port
+	port := ""
+	port = os.Getenv("PORT")
 	if port == "" {
 		port = "5000"
 	}